.bg_div1{
    position: absolute;
    margin-top: 9.5%;
    margin-left: -2%;
}
.bg_div2{
    position: absolute;
    margin-top: 10%;
    margin-left: 31%!important;
}

.w_img{
    width: 100%;
    height:880px;
}
.bg_div3{
    box-shadow: 1px 1px 4px slategray;
    background-color: #8cafb3;
    width: 45%;
    position: absolute;
    margin-left: -2%;
    margin-top: 3%;
}